# \[BUG\] Ignition 8.1.15 upgrade overwrote ignition.conf file max heap

**URL:** <https://forum.inductiveautomation.com/t/bug-ignition-8-1-15-upgrade-overwrote-ignition-conf-file-max-heap/58453>\
**Category:** Ignition\
**Created:** [April 14, 2022, 5:37am UTC](https://forum.inductiveautomation.com/t/bug-ignition-8-1-15-upgrade-overwrote-ignition-conf-file-max-heap/58453 "2022-04-14T05:37:42Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![nminchin](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/nminchin/32/6911_2.png) [@nminchin](https://forum.inductiveautomation.com/u/nminchin)\
**Post date:** [April 14, 2022, 5:37am UTC](https://forum.inductiveautomation.com/t/bug-ignition-8-1-15-upgrade-overwrote-ignition-conf-file-max-heap/58453/1 "2022-04-14T05:37:42Z")

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Upgraded from 8.1.10 with custom java heap settings, but upgrade to 8.1.15 reset this back to 2GB max

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**Author:** ![paul-griffith](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/paul-griffith/32/37249_2.png) [@paul-griffith](https://forum.inductiveautomation.com/u/paul-griffith)\
**Post date:** [April 14, 2022, 3:52pm UTC](https://forum.inductiveautomation.com/t/bug-ignition-8-1-15-upgrade-overwrote-ignition-conf-file-max-heap/58453/2 "2022-04-14T15:52:49Z")

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Was this a zip install, or done via the installer?

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**Author:** ![nminchin](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/nminchin/32/6911_2.png) [@nminchin](https://forum.inductiveautomation.com/u/nminchin)\
**Post date:** [April 14, 2022, 7:45pm UTC](https://forum.inductiveautomation.com/t/bug-ignition-8-1-15-upgrade-overwrote-ignition-conf-file-max-heap/58453/3 "2022-04-14T19:45:34Z")

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Via the installer, Windows

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**Author:** ![jcoffman](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/jcoffman/32/6429_2.png) [@jcoffman](https://forum.inductiveautomation.com/u/jcoffman)\
**Post date:** [April 14, 2022, 8:21pm UTC](https://forum.inductiveautomation.com/t/bug-ignition-8-1-15-upgrade-overwrote-ignition-conf-file-max-heap/58453/4 "2022-04-14T20:21:39Z")

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Hey Nick, can you DM me a copy of the install.log file? we should be excluding that file for overwrites on upgrade.